[Elecraft] [QRP-L] DDS module

[Brian Pepperdine]

Bill Meara is playing with one and relating his experiences on Soldersmoke, his blog.
He has a few postings regarding it.
http://soldersmoke.blogspot.ca/search?q=dds

> To: qrp-l at mailman.qth.net
> Date: Thu, 27 Jun 2013 13:06:34 -0500
> From: n5ib at juno.com
> Subject: [QRP-L] DDS module
> 
> When ordering some parts from an offshore vendor, I decided, on a whim,
> to add one of the little $5 AD9850 DDS modules to the cart.
> Arrived today, looks fine, but, as I fully expected would be the case, no
> documentation accompanied it.
> 
> It was item 330840407981 from chipworld 
> 
> I wonder if someone on the list has been playing with this same module
> and has deciphered it. 
> The good news is that the labelling on the board more or less matches the
> pinout in the 9850 data sheet.
> 
> It measures 42 mm x 30 mm, has a single row 7-pin header on one end, and
> a dual row 14 pin header on the other.
> There's a 125 MHz oscillator can on board.
> The only ID-like marking is "19026AP4-24" (might be "19826AP4-24") right
> above the 9850 chip.
> 
> I can send a hi-res image if you think you may have some insight.
> 
> Otherwise, we'll take the datasheet and start tracing  :^))
> 
> A receiver project is in the plans, and this is an excuse to write some
> PIC code to control the DDS.
> 
> 73,
> Jim, N5IB
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